C04B 33/14
Colouring matters
C04B33/14 (Colouring matters) appears on 91 US grants and 112 published applications in this corpus.
Search patents in C04B- Granted patents
- 91
- Published applications
- 112
- Assignees
- 81
- Inventors
- 265
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 10 |
| 2004 | 4 | 11 |
| 2005 | 5 | 14 |
| 2006 | 4 | 2 |
| 2007 | 2 | 3 |
| 2008 | 3 | 7 |
| 2009 | 1 | 5 |
| 2010 | 2 | 5 |
| 2011 | 4 | 5 |
| 2012 | 2 | 2 |
| 2013 | 3 | 2 |
| 2014 | 1 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 6 |
| 2018 | 0 | 2 |
| 2019 | 4 | 4 |
| 2020 | 3 | 9 |
| 2021 | 4 | 5 |
| 2022 | 5 | 4 |
| 2023 | 1 | 3 |
| 2024 | 2 | 2 |
| 2025 | 2 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nanomaterial ceramic spheres, preparation method, and application thereof16 Jun 2026US 12,655,062 B2
- Manufacturing process of calcined clays in a rotary kiln with color control7 Apr 2026US 12,595,210 B2Cementos Argos S.A.
- Process for preparing a ceramic article containing sludge29 Jul 2025US 12,371,380 B2Harbour Stone B.V.
- Reflective particulate compositions including a particulate mixture having improved hardness, methods of making the same, and methods for analyzing particulate mixture strength25 Feb 2025US 12,234,362 B2U.S. Silica Company
- Marking system for moldable substrates5 Nov 2024US 12,134,278 B2Crayola LLC
- Nanomaterial ceramic sphere, preparation method and application thereof24 Sep 2026US 2026/0285761 A1
- Colourable translucent white ceramic compound based on a frit comprising calcium and sodium27 Aug 2026US 2026/0250203 A1TheSize Surfaces, S.L.
- Enamelled Ceramic Material With a Low Coefficient Of Thermal Expansion18 Sep 2025US 2025/0289749 A1TheSize Surfaces, S.L.
- Method for manufacturing tablets and powder for eco-friendly clay preparation, tablets for eco-friendly clay preparation, and eco-friendly clay prepared using same8 May 2025US 2025/0145531 A1The Flour Factory Inc.
- Marking system for moldable substrates9 Jan 2025US 2025/0010648 A1Crayola LLC
Most cited
By later US patents
- Polycrystalline translucent alumina-based ceramic material, uses, and methods166US 6,878,456 B23M Innovative Properties Company · 2005
- High temperature amorphous composition based on aluminum phosphate76US 6,461,415 B1Applied Thin Films, Inc. · 2002
- Use of ceramics in dental and orthodontic applications67US 6,984,261 B23M Innovative Properties Company · 2006
- Rare-earth oxide thermal spray coated articles and powders for thermal spraying44US 6,852,433 B2Shin-Etsu Chemical Co., Ltd. · 2005
- Composite silica proppant material43US 6,753,299 B2Badger Mining Corporation · 2004